[postgis-tickets] [PostGIS] #2247: [raster] Create ST_CreateOverviews()
PostGIS
trac at osgeo.org
Fri Aug 29 06:51:01 PDT 2014
#2247: [raster] Create ST_CreateOverviews()
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Reporter: dzwarg | Owner: dzwarg
Type: enhancement | Status: new
Priority: medium | Milestone: PostGIS 2.2.0
Component: raster | Version: trunk
Keywords: raster, overviews |
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Comment(by strk):
Pierre, the current version of the function I wrote produces the so-called
"virtual grid" internally, so doesn't need any ST_MakeEmptyCoverage. Take
a look here: https://github.com/strk/postgis/tree/svn-trunk-
createoverviews
The problem is in the interface itself. If the function takes table name,
field name and scale factor, it won't be able to compute the target grid
configuration unles the input coverage has a constant scale (for example).
Maybe we should move the discussion on the list...
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Ticket URL: <http://trac.osgeo.org/postgis/ticket/2247#comment:15>
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